Rolex
Ref. -
Rolex Cal. 3135 (earlier models) or Cal. 3135/2235 (later, varies by reference) automatic movement, ~48h power reserve. 34mm Oystersteel case, smooth polished bezel, sapphire crystal, black dial with factory diamond hour markers, Oyster bracelet, 100m water resistance. Estimated production 1989-2021.
Specifications